[INFO] crate dpc-rdup-du 0.2.0 is already in cache
[INFO] checking dpc-rdup-du-0.2.0 against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] extracting crate dpc-rdup-du 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dpc-rdup-du 0.2.0 on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dpc-rdup-du 0.2.0
[INFO] finished tweaking crates.io crate dpc-rdup-du 0.2.0
[INFO] tweaked toml for crates.io crate dpc-rdup-du 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 596ca77214877b4ecb1f22bcf8f1addd3e27e8289b94fee846d785edfecb5842
[INFO] running `"docker" "start" "-a" "596ca77214877b4ecb1f22bcf8f1addd3e27e8289b94fee846d785edfecb5842"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking dpc-rdup-du v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:95:24
[INFO] [stderr]    |
[INFO] [stderr] 95 |               cb: &mut FnMut(&Path),
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:96:29
[INFO] [stderr]    |
[INFO] [stderr] 96 |               mut err: &mut FnMut(&Path, io::Error)) {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path, io::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:95:24
[INFO] [stderr]    |
[INFO] [stderr] 95 |               cb: &mut FnMut(&Path),
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:96:29
[INFO] [stderr]    |
[INFO] [stderr] 96 |               mut err: &mut FnMut(&Path, io::Error)) {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path, io::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |               mut err: &mut FnMut(&Path, io::Error)) {
[INFO] [stderr]    |               ----^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:96:15
[INFO] [stderr]    |
[INFO] [stderr] 96 |               mut err: &mut FnMut(&Path, io::Error)) {
[INFO] [stderr]    |               ----^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "596ca77214877b4ecb1f22bcf8f1addd3e27e8289b94fee846d785edfecb5842"`
[INFO] running `"docker" "rm" "-f" "596ca77214877b4ecb1f22bcf8f1addd3e27e8289b94fee846d785edfecb5842"`
[INFO] [stdout] 596ca77214877b4ecb1f22bcf8f1addd3e27e8289b94fee846d785edfecb5842